https://www.adafruit.com/product/3574
Adafruit Feather nRF52 Pro with myNewt Bootloader [nRF52832] : Adafruit Industries, Unique & fun...
The Adafruit Feather nRF52 Pro is another Bluetooth® Low Energy board for advanced projects and users who want to use a fully open-source Bluetooth® Low Energy...
adafruitfeatherprobootloadernrf52832
https://newosxbook.com/
IsabellaOS Stage 1 BootLoader
stage 1bootloader
https://u-boot.org/
U-Boot – Universal Bootloader
bootuniversal
https://www.parabola.nu/news/grub-bootloader-upgrade-and-configuration-incompatibilities/
Parabola GNU/Linux-libre - News: Grub bootloader upgrade and configuration incompatibilities
gnu linuxparabolalibrenewsgrub
https://www.androidauthority.com/oneplus-arb-protection-3633783/
OnePlus just made bootloader unlocking riskier than ever
Jan 20, 2026 - OnePlus is reportedly starting to push out Anti-Rollback Protection (ARB) to its devices, restricting firmware downgrades and custom ROMs.
oneplusmadebootloaderever
https://picbootloader.com/
ds30 Loader – free edition – Microchip PIC/dsPIC bootloader
free editionloadermicrochippic
https://askubuntu.com/questions/tagged/bootloader
Newest 'bootloader' Questions - Ask Ubuntu
ask ubuntunewestbootloaderquestions